Novatel OEM719, Installation And Operation Manual

Page: 107 / 235

OEM7 Installation and Operation User Manual v4 107
Chapter 7 Troubleshooting
There are simple ways to diagnose and resolve problems. In many cases, the issue can be
resolved within a few minutes, avoiding the inconvenience and loss of productivity that results
from having to return the receiver for repair. This section discusses troubleshooting issues and
includes cross-references to other sections of the manual that may help resolve problems.
If unsure of the symptoms or if the symptoms do not match any of those listed, use the
RXSTATUS log to check the receiver status and error words. See
Examining the RXSTATUS Log
on the next page.
Try to resolve the problem using the troubleshooting guide in Table 9: Troubleshooting Based on
Symptoms below, then try our Knowledge Base at www.novatel.com/support/ . If you are still
not able to resolve the problem, see Customer Support on page 17 for troubleshooting logs and
contact information.
Symptom Related Section
The receiver is not properly
powered
Check the power cable. Replace if faulty.
See Power Supply Requirements for Receiver Cards on page 26
The receiver cannot establish
communication
Check the serial cables and ports. Replace if faulty
See CAN Bus on page 100 and Status LED on page 89. Refer also
to the SERIALCONFIG command in the OEM7 Commands and
Logs Reference Manual
The receiver is not tracking
satellites
Ensure that the antenna has an unobstructed view of the sky from
horizon to horizon.
Check the RXSTATUS error states. See Examining the RXSTATUS
Log on the next page. If the receiver is in error mode, it does not
track.
Use the Interference Toolkit to check if there is an interference
signal present. See
Interference Toolkit on page 71.
Check the antenna cable. Replace if faulty. See Selecting a GNSS
Antenna on page 25, Choosing a Coaxial Cable on page 26 and
Connecting the Antenna to the Receiver Card on page 39.
No data is being logged
See CAN Bus on page 100 and Communications with the Receiver
on page 49
Random data is being output by
the receiver or binary data is
streaming
Check the baud rate on the receiver and in the communication
software. Refer to the
SERIALCONFIG command and FRESET
command in the OEM7 Commands and Logs Reference Manual .
See also CAN Bus on page 100
Table 9: Troubleshooting Based on Symptoms